1,Size of C50 Steel Round bar Diameter(mm) Length (mm) 20~800 3000~9000 Plate Thickness(mm) Width (mm) Length (mm) Max:800 Max:2200 Max:9000 The specification can be customized. 2,Chemical Compositons C Si Mn P S Cr Cu Ni 0.42-0.50 0.17-0.37 0.50-0.80 â?¤0.035 â?¤0.035 â?¤0.25 â?¤0.25 â?¤0.30 3,Features of C50 steel 1, Medium carbon structural steel 2, High strength and machinability 3, Good toughness, plasticity and abrasion resistance 4, Typically used in quenched and tempered or normalized conditions 4,Typical Applications 1, Widely used in machine manufacturing 2, For shaft parts 3, Stamping die drawing parts repair and hardfacing